Added style class definitions to *Style.d.ts

components/lib/terminal/style/TerminalStyle.d.ts

@@ -1,3 +1,24 @@
+/**
+ *
+ * Terminal is a text based user interface.
+ *
+ * [Live Demo](https://www.primevue.org/terminal)
+ *
+ * @module terminalstyle
+ *
+ */
 import { BaseStyle } from '../../base/style';
 
+export enum TerminalClasses {
+    root = 'p-terminal',
+    welcomeMessage = 'p-terminal-welcome-message',
+    commandList = 'p-terminal-command-list',
+    command = 'p-terminal-command',
+    commandValue = 'p-terminal-command-value',
+    commandResponse = 'p-terminal-command-response',
+    prompt = 'p-terminal-prompt',
+    promptLabel = 'p-terminal-prompt-label',
+    promptValue = 'p-terminal-prompt-value'
+}
+
 export interface TerminalStyle extends BaseStyle {}